USDA pink bollworm project photograph collection, 1930-1980 : field clean-up, Arizona & road stations, Texas and New Mexico

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UNITED STATES DEPARTMENT OF AGRICULTURE
PLANT QUARANTINE AND CONTROL ADMINI STRAflON
Pink Bo 11 worm Project
801 Smith-Young Tower
San Antonio, Texas-

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(a) Plowing volunteer cotton, Mesa, Arizona, Spring of 1930

(b) Flight screen

(e) Brine tub and drying screen used in connection with soil screening
(d) Volunteer cotton

Cutting cotton stalks with mower.

Two rows of light stalks cut with regular hay mower.
Photo - February 36, 1930

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Completely burned stalks, field north of Gilbert
Photo - April 9, 1930

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Condition of plants on April 9, 1930, in non-
cotton zone, north of Apache trail.

^ix plants - two in bloom, one dead, others in leaf.

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Condition of plants on April 9, 1930
cotton zone, north, of Apache trail.

in non-

Taking soil samples from an infested field

° f Ilibernating stages of P* 1 * boll worm.

General view of soil washing plant, taken from south side
Photo - May 1, 1930

['rays containing the fine debris washed from the soil samples
Looking for bo 11 wo ms in the hibernating stage.

Photo - May 1, 1930

STOP

U.S.OFFICERS.

'P action

jiiway,

STOP

quarantine

STATION

U.S.OFFICERS

SI

.

far

O Do *Me./f Road staf/o

U. 3. load Station, Girvin, Texas, Au
Inspection of fire cars of Mexicans
Marfa to San Angelo to pick cotton

gust, 1928.
en route from